text: #!/usr/bin/env python
  #
  # __COPYRIGHT__
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be included
  # in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  #
  
  __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  
  """
  Verify that we re-run LaTeX when a source file in \lstinputlisting
  changes.
  
  Thanks to Stefan Hepp for the patch that fixed this.
  """
  
  import TestSCons
  
  test = TestSCons.TestSCons()
  
  pdflatex = test.where_is('pdflatex')
  
  if not pdflatex:
      test.skip_test("Could not find pdflatex; skipping test(s).\n")
  
  test.write(['SConstruct'], """\
  import os
  
  DefaultEnvironment(ENV={'PATH':os.environ['PATH']})
  
  PDF("test.tex")
  """)
  
  test.write(['test.tex'], r"""
  \documentclass{article}
  \usepackage{listings}
  
  \begin{document}
  
  \section{Listings}
  
  \lstinputlisting{test.c}
  
  \end{document}
  """)
  
  source_content = r"""
  int main(int argc, char** argv) {
      return %s;
  }
  """
  
  
  
  test.write('test.c', source_content % '0')
  
  test.run()
  
  pdf_output_1 = test.read('test.pdf')
  
  
  
  test.write('test.c', source_content % '1')
  
  test.run()
  
  pdf_output_2 = test.read('test.pdf')
  
  # If the PDF file is the same as it was previously, then it didn't
  # pick up the change from 1981 to 1982, so fail.
  test.fail_test(pdf_output_1 == pdf_output_2)
  
  
  
  # Double-check:  clean everything and rebuild from scratch, which
  # should force the PDF file to be the 1982 version.
  
  test.run(arguments = '-c')
  
  test.run()
  
  pdf_output_3 = test.read('test.pdf')
  
  
  
  # If the PDF file is now different than the second run, modulo the
  # creation timestamp and the ID and some other PDF garp, then something
  # else odd has happened, so fail.
  
  pdf_output_2 = test.normalize_pdf(pdf_output_2)
  pdf_output_3 = test.normalize_pdf(pdf_output_3)
  
  if pdf_output_2 != pdf_output_3:
      import sys
      test.write('test.normalized.2.pdf', pdf_output_2)
      test.write('test.normalized.3.pdf', pdf_output_3)
      sys.stdout.write("***** 2 and 3 are different!\n")
      sys.stdout.write(test.diff_substr(pdf_output_2, pdf_output_3, 80, 80) + '\n')
      sys.stdout.write("Output from run 2:\n")
      sys.stdout.write(test.stdout(-2) + '\n')
      sys.stdout.write("Output from run 3:\n")
      sys.stdout.write(test.stdout() + '\n')
      sys.stdout.flush()
      test.fail_test()
  
  
  
  test.pass_test()
  
  # Local Variables:
  # tab-width:4
  # indent-tabs-mode:nil
  # End:
  # vim: set expandtab tabstop=4 shiftwidth=4:
  